US Bridges

Farm Supply Road over Chene Bayou

PoorPosted for load

Jefferson Davis Parish, Louisiana · 0.5 MI N of LA1126 · Structure no. 072730117924341

Built
1975
50 years old
Condition
Poor
inspected September 2024
Type
Slab
Concrete
Length
152 ft
8 main spans
Daily traffic
80
2019 count
Owner
County
County Highway Agency

About this bridge

Farm Supply Road over Chene Bayou is a concrete slab carrying Farm Supply Road over Chene Bayou in Jefferson Davis Parish, Louisiana. It was built in 1975, so it is 50 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 80 vehicles a day, projected to reach 88 by 2039. The structure is 152 ft (46.3 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFarm Supply Road
CrossesChene Bayou
Location0.5 MI N of LA1126
RouteCounty Highway 0
Coordinates30.19458, -92.72361
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating22.5 US tons
Inventory rating17.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans8
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span19 ft (5.8 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2019)
Projected traffic88 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Farm Supply Road over Chene Bayou built?

It was built in 1975, making it 50 years old in 2025.

What condition is Farm Supply Road over Chene Bayou in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Farm Supply Road over Chene Bayou carry?

About 80 vehicles per day (2019 count).

How long is Farm Supply Road over Chene Bayou?

The structure is 152 ft (46.3 m) long with a longest span of 19 ft (5.8 m) and a deck 22 ft wide.

Who owns Farm Supply Road over Chene Bayou?

It is owned by the County Highway Agency.